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Rated Indoor Airflow (cfm)
The table to the right lists the rated indoor airflow used
for the AHRI efficiency rating for the units covered in this
document.
Position:
Example:
Unit Heat Type
48 - Gas Heat Packaged Rooftop
Model Series - WeatherExpert
LC - Ultra High Efficiency
Heat Options
D = Low Gas Heat
E = Medium Gas Heat
F = High Gas Heat
S = Low Heat w/ Stainless Steel Exchanger
R = Medium Heat w/ Stainless Steel Exchanger
T = High Heat w/ Stainless Steel Exchanger
Refrig. Systems Options
0 = Three stage cooling capacity control with TXV
A = Three stage cooling capacity control with TXV
and Humidi-MiZer
®
system
Cooling Tons
14 - 12.5 ton
17 - 15 ton
20 - 17.5 ton
24 - 20 ton
26 - 23 ton
Sensor Options
A = None
B = RA Smoke Detector
C = SA Smoke Detector
D = RA + SA Smoke Detector
E = CO
2
F = RA Smoke Detector and CO
G = SA Smoke Detector and CO
H = RA + SA Smoke Detector and CO
Indoor Fan Motor Options
1 = Standard Static / Vertical Supply, Return Air Flow
2 = Medium Static / Vertical Supply, Return Air Flow
3 = High Static / Vertical Supply, Return Air Flow
4 = Ultra High Static / Vertical Supply, Return Air Flow
5 = Standard Static / Horizontal Supply, Return Air Flow
6 = Medium Static / Horizontal Supply, Return Air Flow
7 = High Static / Horizontal Supply, Return Air Flow
8 = Ultra High Static / Horizontal Supply, Return Air Flow
Coil Options: Fin/Tube (Condenser- Evaporator - Hail Guard)
A = Al/Cu - Al/Cu
B = Precoat Al/Cu - Al/Cu
C = E-coat Al/Cu - Al/Cu
D = E-coat Al/Cu - E-coat Al/Cu
E = Cu/Cu - Al/Cu
F = Cu/Cu - Cu/Cu
M = Al/Cu -Al/Cu — Louvered Hail Guard
N = Precoat Al/Cu - Al/Cu — Louvered Hail Guard
P = E-coat Al/Cu - Al/Cu — Louvered Hail Guard
Q = E-coat Al/Cu - E-coat Al/Cu — Louvered Hail Guard
R = Cu/Cu - Al/Cu — Louvered Hail Guard
S = Cu/Cu - Cu/Cu — Louvered Hail Guard
1
2
3
4
5
6
7
8
4
8
L
C
D
0
2
4
®
2
2
2
Fig. 1 - - 48LC 14- - 26 Model Number Nomenclature (Example)
Model Number
48LC**14
48LC**17
48LC**20
48LC**24
48LC**26
9 10 11 12 13 14 15 16 17 18
A
1
A
5
-
0
A
0
Intake / Exhaust Options
A = None
B = Temperature Standard Leak Economizer with
C = Temperature Standard Leak Economizer with
E = Enthalpy Standard Leak Economizer with
F = Enthalpy Standard Leak Economizer with
N = Temperature Ultra Low Leak Economizer with
P = Temperature Ultra Low Leak Economizer
R = Enthalpy Ultra Low Leak Economizer with
S = Enthalpy Ultra Low Leak Economizer with
Base Unit Controls
0 = Electro-mechanical Controls
1 = RTU Open Multi-Protocol Controller
4 = SystemVu™ Controller
Design Revision
- = Factory Design Revision
Voltage
1 = 575/3/60
5 = 208-230/3/60
6 = 460/3/60
4
Full Load Airflow (cfm)
4375
4875
5690
6500
7500
A
0
Packaging
0 = Standard
1 = LTL
Electrical Options
A = None
B = HACR Circuit Breaker
C = Non-Fused Disconnect
Service Options
0 = None
1 = Unpowered Convenience Outlet
2 = Powered Convenience Outlet
3 = Hinged Panels
4 = Hinged Panels and
Unpowered Convenience Outlet
5 = Hinged Panels and
Powered Convenience Outlet
Barometric Relief
Centrifugal Power Exhaust - Vertical Only
Barometric Relief
Centrifugal Power Exhaust - Vertical Only
Barometric Relief
with Centrifugal Power Exhaust - Vertical Only
Barometric Relief
Centrifugal Power Exhaust - Vertical Only
a48--- 9335
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